[geeks] power (was Mr. Bill)

[der Mouse]

>>>> has wreaked its havoc.
>>> you mean wrought its havoc?
>> "Wrought" is the past and past participle of "work".
>> "Wreaked" is correct.

In this case, so is "wrought", though its correctness has nothing to do
with the verb "(to) wreak".

"Wrought" has a certain degree of idiomaticity behind it when paired
with "havoc", too.

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